This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Posted in The Hackaday Prize Tagged 2017 Hackaday Prize, adc, arduino nano, assistive technolgy, hx711, rehabilitation, servo, Spasticity, stroke, weighing scale, weight sensor ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...